langgraph-bigtool is a Python library for creating LangGraph agents that can access large numbers of tools. Key features include:

• Scalable access to tools: Equip agents with hundreds or thousands of tools

• Storage of tool metadata: Control storage of tool descriptions, namespaces, and other information through LangGraph's built-in persistence layer. Includes support for in-memory and Postgres backends

• Customization of tool retrieval: Supports custom functions for tool retrieval

The library can be installed via pip: pip install langgraph-bigtool

Check out the docs for more info: https://github.com/langchain-ai/langgraph-bigtool